Finding the Fourth Proportional to 75,024,887.07, 112,521,583.97 and 21,159,601.95
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Solution
The fourth proportional to 75,024,887.07, 112,521,583.97 and 21,159,601.95 is: 31,734,961.83
Step by Step Solution
- Step 1: Write the proportion equation
75,024,887.07 : 112,521,583.97 = 21,159,601.95 : x - Step 2: Convert to fraction form
75,024,887.07/112,521,583.97 = 21,159,601.95/x - Step 3: Cross multiply
75,024,887.07x = 112,521,583.97 × 21,159,601.95 - Step 4: Simplify right side
75,024,887.07x = 2,380,911,927,078,992 - Step 5: Solve for x
x = 2,380,911,927,078,992/75,024,887.07 - Step 6: Final answer
x = 31,734,961.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.